The spirals on sunflower heads often conform to a Fibonacci number (see notes), and Turing was one of a number of scientists who tried to explain ‘Fibonacci phyllotaxis’, but he died before the work ...

From the spirals of seashells to the arrangement of sunflower seeds ... The golden ratio emerges from the Fibonacci sequence, where each number (with the exception of the first two) is the ...

Take the sunflower. To be as efficient as possible ... an arc through a series of squares which correspond to the Fibonacci numbers, so 1², 1², 2², 3² etc. You might have seen these spirals ...